Transmittivity/Reflectivity, Bandwidth, and Ripple Factor Level Measurement for Different Refractive Index Fiber Grating Shape Profiles

This paper has presented the simulation of single fiber Bragg grating (FBG) characteristics using Optigrating simulation software at the worst case. Various types of the same/different refractive index grating/fiber profiles are employed in order to test the transmittivity/reflectivity, bandwidth, and average group delay ripple factor level measurement of single FBG with optimum case. As well as output pulse intensity spectrum is examined for each case. It is observed that minimum side lobes strength, maximum output pulse intensity spectrum, dominant mode, narrow spectral bandwidth, maximum transmittivity/reflectivity spectral response are achieved with grating (exponential)/core (exponential)/region 1 (Gaussian cladding) FBG profile configuration, and grating (exponential)/core (parabolic)/region 1 (Gaussian cladding) profile configuration. Optigrating simulation results give an idea about the efficiency of the suggested hybrid FBG refractive index profiles to analyze FBG technical characteristics.